Latest article
Preparation of 3,3’5,5′-tetramethylbiphenyl bisphenol diglycidyl ether_Kain Industrial Additive
Background and overview[1][2] Electronic materials are the basis for the development of the microelectronics industry. As the main structural material for the production of integrated circuits, epoxy …
Preparation of 2-bromo-3′-chloropropiophenone_Kain Industrial Additive
Background and overview[1][2] Rimonabant is a new type of weight-loss drug. 2-Bromo-3′-chloropropiophenone is the key intermediate for the synthesis of rimonabant. Currently, there are very few …
Preparation of 2-methylsulfonylbenzeneboronic acid_Kain Industrial Additive
Background and overview[1][2] 2-Methylsulfonylbenzeneboronic acid is an important organic synthesis intermediate. It can be used to synthesize derivatives of polyolefins, styrene and biphenyl through …
Application of p-xylyl ether_Kain Industrial Additive
Background and overview[1] P-xylyl ether is an important pharmaceutical intermediate, for example, it can be used to prepare 4,4′-diphenyl ether dicarboxylic acid. 4,4′-Diphenyl ether dica…
Preparation and application of p-tert-butylbenzoic acid_Kain Industrial Additive
Background and overview[1] P-tert-butylbenzoic acid (PTBA) is colorless needle-shaped crystals or crystalline powder. It is a derivative of benzoic acid and an important organic synthesis intermediate…
Preparation of 2-chloro-4-methylphenylboronic acid_Kain Industrial Additive
Background and overview[1] 2-Chloro-4-methylbenzeneboronic acid can be used as a pharmaceutical synthesis intermediate and is often used as a raw material for coupling reactions such as Suzuki. 2-Chlo…
Preparation of Sitagliptin Impurity 13_Kain Industrial Additive
Background and overview[1] Sitagliptin, chemical name (2R)-4-oxo-4-[3-trifluoromethyl-5,6-dihydro[1,2,4]triazole[4 , 3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)-butan-2-amine, which is a dipeptide…
Preparation of 2-fluoro-4-iodoaniline_Kain Industrial Additive
Background and Overview[1] 2-Fluoro-4-iodoaniline is one of the most important intermediates in the dye industry. In the dye industry, it can be used to manufacture acid ink blue G, acid medium BS, ac…
Preparation of 3-bromo-1,3,4,5-tetrahydro-2H-1-benzazepine-2-one_Kain Industrial Additive
Background and Overview[1] 3-Bromo-1,3,4,5-tetrahydro-2H-1-benzazepine-2-one is an intermediate in the synthesis of benazepril hydrochloride. Benazepril hydrochloride is a first-line antihypertensive …
Preparation of benzene sulfonyl chloride_Kain Industrial Additive
Background and Overview[1] Benzenesulfonyl chloride is a white flake crystal with a melting point of 69-71°C. It is an important organic synthesis drug intermediate and is mainly used in the synthesis…
